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1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <unistd.h> | |
23 | #include <string.h> | |
24 | #include <glib.h> | |
25 | #include "libsigrok.h" | |
26 | #include "libsigrok-internal.h" | |
27 | ||
28 | struct source { | |
29 | int timeout; | |
30 | sr_receive_data_callback_t cb; | |
31 | void *cb_data; | |
32 | ||
33 | /* This is used to keep track of the object (fd, pollfd or channel) which is | |
34 | * being polled and will be used to match the source when removing it again. | |
35 | */ | |
36 | gintptr poll_object; | |
37 | }; | |
38 | ||
39 | /* There can only be one session at a time. */ | |
40 | /* 'session' is not static, it's used elsewhere (via 'extern'). */ | |
41 | struct sr_session *session; | |
42 | ||
43 | /** | |
44 | * Create a new session. | |
45 | * | |
46 | * TODO: Should it use the file-global "session" variable or take an argument? | |
47 | * The same question applies to all the other session functions. | |
48 | * | |
49 | * @return A pointer to the newly allocated session, or NULL upon errors. | |
50 | */ | |
51 | SR_API struct sr_session *sr_session_new(void) | |
52 | { | |
53 | if (!(session = g_try_malloc0(sizeof(struct sr_session)))) { | |
54 | sr_err("session: %s: session malloc failed", __func__); | |
55 | return NULL; /* TODO: SR_ERR_MALLOC? */ | |
56 | } | |
57 | ||
58 | session->source_timeout = -1; | |
59 | ||
60 | return session; | |
61 | } | |
62 | ||
63 | /** | |
64 | * Destroy the current session. | |
65 | * | |
66 | * This frees up all memory used by the session. | |
67 | * | |
68 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. | |
69 | */ | |
70 | SR_API int sr_session_destroy(void) | |
71 | { | |
72 | if (!session) { | |
73 | sr_err("session: %s: session was NULL", __func__); | |
74 | return SR_ERR_BUG; | |
75 | } | |
76 | ||
77 | sr_session_dev_remove_all(); | |
78 | ||
79 | /* TODO: Error checks needed? */ | |
80 | ||
81 | /* TODO: Loop over protocol decoders and free them. */ | |
82 | ||
83 | g_free(session); | |
84 | session = NULL; | |
85 | ||
86 | return SR_OK; | |
87 | } | |
88 | ||
89 | static void sr_dev_close(struct sr_dev_inst *sdi) | |
90 | { | |
91 | if (sdi->driver && sdi->driver->dev_close) | |
92 | sdi->driver->dev_close(sdi); | |
93 | } | |
94 | ||
95 | /** | |
96 | * Remove all the devices from the current session. TODO? | |
97 | * | |
98 | * The session itself (i.e., the struct sr_session) is not free'd and still | |
99 | * exists after this function returns. | |
100 | * | |
101 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. | |
102 | */ | |
103 | SR_API int sr_session_dev_remove_all(void) | |
104 | { | |
105 | if (!session) { | |
106 | sr_err("session: %s: session was NULL", __func__); | |
107 | return SR_ERR_BUG; | |
108 | } | |
109 | ||
110 | g_slist_free_full(session->devs, (GDestroyNotify)sr_dev_close); | |
111 | session->devs = NULL; | |
112 | ||
113 | return SR_OK; | |
114 | } | |
115 | ||
116 | /** | |
117 | * Add a device to the current session. | |
118 | * | |
119 | * @param dev The device instance to add to the current session. Must not | |
120 | * be NULL. Also, sdi->driver and sdi->driver->dev_open must | |
121 | * not be NULL. | |
122 | * | |
123 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments. | |
124 | */ | |
125 | SR_API int sr_session_dev_add(const struct sr_dev_inst *sdi) | |
126 | { | |
127 | int ret; | |
128 | ||
129 | if (!sdi) { | |
130 | sr_err("session: %s: sdi was NULL", __func__); | |
131 | return SR_ERR_ARG; | |
132 | } | |
133 | ||
134 | if (!session) { | |
135 | sr_err("session: %s: session was NULL", __func__); | |
136 | return SR_ERR_BUG; | |
137 | } | |
138 | ||
139 | /* If sdi->driver is NULL, this is a virtual device. */ | |
140 | if (!sdi->driver) { | |
141 | sr_dbg("session: %s: sdi->driver was NULL, this seems to be " | |
142 | "a virtual device; continuing", __func__); | |
143 | /* Just add the device, don't run dev_open(). */ | |
144 | session->devs = g_slist_append(session->devs, (gpointer)sdi); | |
145 | return SR_OK; | |
146 | } | |
147 | ||
148 | /* sdi->driver is non-NULL (i.e. we have a real device). */ | |
149 | if (!sdi->driver->dev_open) { | |
150 | sr_err("session: %s: sdi->driver->dev_open was NULL", __func__); | |
151 | return SR_ERR_BUG; | |
152 | } | |
153 | ||
154 | if ((ret = sdi->driver->dev_open((struct sr_dev_inst *)sdi)) != SR_OK) { | |
155 | sr_err("session: %s: dev_open failed (%d)", __func__, ret); | |
156 | return ret; | |
157 | } | |
158 | ||
159 | session->devs = g_slist_append(session->devs, (gpointer)sdi); | |
160 | ||
161 | return SR_OK; | |
162 | } | |
163 | ||
164 | /** | |
165 | * Remove all datafeed callbacks in the current session. | |
166 | * | |
167 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. | |
168 | */ | |
169 | SR_API int sr_session_datafeed_callback_remove_all(void) | |
170 | { | |
171 | if (!session) { | |
172 | sr_err("session: %s: session was NULL", __func__); | |
173 | return SR_ERR_BUG; | |
174 | } | |
175 | ||
176 | g_slist_free(session->datafeed_callbacks); | |
177 | session->datafeed_callbacks = NULL; | |
178 | ||
179 | return SR_OK; | |
180 | } | |
181 | ||
182 | /** | |
183 | * Add a datafeed callback to the current session. | |
184 | * | |
185 | * @param cb Function to call when a chunk of data is received. | |
186 | * Must not be NULL. | |
187 | * | |
188 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. | |
189 | */ | |
190 | SR_API int sr_session_datafeed_callback_add(sr_datafeed_callback_t cb) | |
191 | { | |
192 | if (!session) { | |
193 | sr_err("session: %s: session was NULL", __func__); | |
194 | return SR_ERR_BUG; | |
195 | } | |
196 | ||
197 | if (!cb) { | |
198 | sr_err("session: %s: cb was NULL", __func__); | |
199 | return SR_ERR_ARG; | |
200 | } | |
201 | ||
202 | session->datafeed_callbacks = | |
203 | g_slist_append(session->datafeed_callbacks, cb); | |
204 | ||
205 | return SR_OK; | |
206 | } | |
207 | ||
208 | static int sr_session_run_poll(void) | |
209 | { | |
210 | unsigned int i; | |
211 | int ret; | |
212 | ||
213 | while (session->num_sources > 0) { | |
214 | ret = g_poll(session->pollfds, session->num_sources, | |
215 | session->source_timeout); | |
216 | for (i = 0; i < session->num_sources; i++) { | |
217 | if (session->pollfds[i].revents > 0 || (ret == 0 | |
218 | && session->source_timeout == session->sources[i].timeout)) { | |
219 | /* | |
220 | * Invoke the source's callback on an event, | |
221 | * or if the poll timed out and this source | |
222 | * asked for that timeout. | |
223 | */ | |
224 | if (!session->sources[i].cb(session->pollfds[i].fd, | |
225 | session->pollfds[i].revents, | |
226 | session->sources[i].cb_data)) | |
227 | sr_session_source_remove(session->sources[i].poll_object); | |
228 | } | |
229 | } | |
230 | } | |
231 | ||
232 | return SR_OK; | |
233 | } | |
234 | ||
235 | /** | |
236 | * Start a session. | |
237 | * | |
238 | * There can only be one session at a time. | |
239 | * | |
240 | * @return SR_OK upon success, SR_ERR upon errors. | |
241 | */ | |
242 | SR_API int sr_session_start(void) | |
243 | { | |
244 | struct sr_dev_inst *sdi; | |
245 | GSList *l; | |
246 | int ret; | |
247 | ||
248 | if (!session) { | |
249 | sr_err("session: %s: session was NULL; a session must be " | |
250 | "created before starting it.", __func__); | |
251 | return SR_ERR_BUG; | |
252 | } | |
253 | ||
254 | if (!session->devs) { | |
255 | sr_err("session: %s: session->devs was NULL; a session " | |
256 | "cannot be started without devices.", __func__); | |
257 | return SR_ERR_BUG; | |
258 | } | |
259 | ||
260 | sr_info("session: starting"); | |
261 | ||
262 | for (l = session->devs; l; l = l->next) { | |
263 | sdi = l->data; | |
264 | if ((ret = sdi->driver->dev_acquisition_start(sdi, sdi)) != SR_OK) { | |
265 | sr_err("session: %s: could not start an acquisition " | |
266 | "(%d)", __func__, ret); | |
267 | break; | |
268 | } | |
269 | } | |
270 | ||
271 | /* TODO: What if there are multiple devices? Which return code? */ | |
272 | ||
273 | return ret; | |
274 | } | |
275 | ||
276 | /** | |
277 | * Run the session. | |
278 | * | |
279 | * TODO: Various error checks etc. | |
280 | * | |
281 | * @return SR_OK upon success, SR_ERR_BUG upon errors. | |
282 | */ | |
283 | SR_API int sr_session_run(void) | |
284 | { | |
285 | if (!session) { | |
286 | sr_err("session: %s: session was NULL; a session must be " | |
287 | "created first, before running it.", __func__); | |
288 | return SR_ERR_BUG; | |
289 | } | |
290 | ||
291 | if (!session->devs) { | |
292 | /* TODO: Actually the case? */ | |
293 | sr_err("session: %s: session->devs was NULL; a session " | |
294 | "cannot be run without devices.", __func__); | |
295 | return SR_ERR_BUG; | |
296 | } | |
297 | ||
298 | sr_info("session: running"); | |
299 | ||
300 | /* Do we have real sources? */ | |
301 | if (session->num_sources == 1 && session->pollfds[0].fd == -1) { | |
302 | /* Dummy source, freewheel over it. */ | |
303 | while (session->num_sources) | |
304 | session->sources[0].cb(-1, 0, session->sources[0].cb_data); | |
305 | } else { | |
306 | /* Real sources, use g_poll() main loop. */ | |
307 | sr_session_run_poll(); | |
308 | } | |
309 | ||
310 | return SR_OK; | |
311 | } | |
312 | ||
313 | /** | |
314 | * Halt the current session. | |
315 | * | |
316 | * This function is deprecated and should not be used in new code, use | |
317 | * sr_session_stop() instead. The behaviour of this function is identical to | |
318 | * sr_session_stop(). | |
319 | * | |
320 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. | |
321 | */ | |
322 | SR_API int sr_session_halt(void) | |
323 | { | |
324 | return sr_session_stop(); | |
325 | } | |
326 | ||
327 | /** | |
328 | * Stop the current session. | |
329 | * | |
330 | * The current session is stopped immediately, with all acquisition sessions | |
331 | * being stopped and hardware drivers cleaned up. | |
332 | * | |
333 | * @return SR_OK upon success, SR_ERR_BUG if no session exists. | |
334 | */ | |
335 | SR_API int sr_session_stop(void) | |
336 | { | |
337 | struct sr_dev_inst *sdi; | |
338 | GSList *l; | |
339 | ||
340 | if (!session) { | |
341 | sr_err("session: %s: session was NULL", __func__); | |
342 | return SR_ERR_BUG; | |
343 | } | |
344 | ||
345 | sr_info("session: stopping"); | |
346 | ||
347 | for (l = session->devs; l; l = l->next) { | |
348 | sdi = l->data; | |
349 | if (sdi->driver) { | |
350 | if (sdi->driver->dev_acquisition_stop) | |
351 | sdi->driver->dev_acquisition_stop(sdi, sdi); | |
352 | } | |
353 | } | |
354 | ||
355 | return SR_OK; | |
356 | } | |
357 | ||
358 | /** | |
359 | * Debug helper. | |
360 | * | |
361 | * @param packet The packet to show debugging information for. | |
362 | */ | |
363 | static void datafeed_dump(struct sr_datafeed_packet *packet) | |
364 | { | |
365 | struct sr_datafeed_logic *logic; | |
366 | struct sr_datafeed_analog *analog; | |
367 | ||
368 | switch (packet->type) { | |
369 | case SR_DF_HEADER: | |
370 | sr_dbg("bus: received SR_DF_HEADER"); | |
371 | break; | |
372 | case SR_DF_TRIGGER: | |
373 | sr_dbg("bus: received SR_DF_TRIGGER"); | |
374 | break; | |
375 | case SR_DF_META_LOGIC: | |
376 | sr_dbg("bus: received SR_DF_META_LOGIC"); | |
377 | break; | |
378 | case SR_DF_LOGIC: | |
379 | logic = packet->payload; | |
380 | /* TODO: Check for logic != NULL. */ | |
381 | sr_dbg("bus: received SR_DF_LOGIC %" PRIu64 " bytes", logic->length); | |
382 | break; | |
383 | case SR_DF_META_ANALOG: | |
384 | sr_dbg("bus: received SR_DF_META_LOGIC"); | |
385 | break; | |
386 | case SR_DF_ANALOG: | |
387 | analog = packet->payload; | |
388 | /* TODO: Check for analog != NULL. */ | |
389 | sr_dbg("bus: received SR_DF_ANALOG %d samples", analog->num_samples); | |
390 | break; | |
391 | case SR_DF_END: | |
392 | sr_dbg("bus: received SR_DF_END"); | |
393 | break; | |
394 | case SR_DF_FRAME_BEGIN: | |
395 | sr_dbg("bus: received SR_DF_FRAME_BEGIN"); | |
396 | break; | |
397 | case SR_DF_FRAME_END: | |
398 | sr_dbg("bus: received SR_DF_FRAME_END"); | |
399 | break; | |
400 | default: | |
401 | sr_dbg("bus: received unknown packet type %d", packet->type); | |
402 | break; | |
403 | } | |
404 | } | |
405 | ||
406 | /** | |
407 | * Send a packet to whatever is listening on the datafeed bus. | |
408 | * | |
409 | * Hardware drivers use this to send a data packet to the frontend. | |
410 | * | |
411 | * @param dev TODO. | |
412 | * @param packet The datafeed packet to send to the session bus. | |
413 | * | |
414 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments. | |
415 | */ | |
416 | SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi, | |
417 | struct sr_datafeed_packet *packet) | |
418 | { | |
419 | GSList *l; | |
420 | sr_datafeed_callback_t cb; | |
421 | ||
422 | if (!sdi) { | |
423 | sr_err("session: %s: sdi was NULL", __func__); | |
424 | return SR_ERR_ARG; | |
425 | } | |
426 | ||
427 | if (!packet) { | |
428 | sr_err("session: %s: packet was NULL", __func__); | |
429 | return SR_ERR_ARG; | |
430 | } | |
431 | ||
432 | for (l = session->datafeed_callbacks; l; l = l->next) { | |
433 | if (sr_log_loglevel_get() >= SR_LOG_DBG) | |
434 | datafeed_dump(packet); | |
435 | cb = l->data; | |
436 | cb(sdi, packet); | |
437 | } | |
438 | ||
439 | return SR_OK; | |
440 | } | |
441 | ||
442 | static int _sr_session_source_add(GPollFD *pollfd, int timeout, | |
443 | sr_receive_data_callback_t cb, void *cb_data, gintptr poll_object) | |
444 | { | |
445 | struct source *new_sources, *s; | |
446 | GPollFD *new_pollfds; | |
447 | ||
448 | if (!cb) { | |
449 | sr_err("session: %s: cb was NULL", __func__); | |
450 | return SR_ERR_ARG; | |
451 | } | |
452 | ||
453 | /* Note: cb_data can be NULL, that's not a bug. */ | |
454 | ||
455 | new_pollfds = g_try_realloc(session->pollfds, | |
456 | sizeof(GPollFD) * (session->num_sources + 1)); | |
457 | if (!new_pollfds) { | |
458 | sr_err("session: %s: new_pollfds malloc failed", __func__); | |
459 | return SR_ERR_MALLOC; | |
460 | } | |
461 | ||
462 | new_sources = g_try_realloc(session->sources, sizeof(struct source) * | |
463 | (session->num_sources + 1)); | |
464 | if (!new_sources) { | |
465 | sr_err("session: %s: new_sources malloc failed", __func__); | |
466 | return SR_ERR_MALLOC; | |
467 | } | |
468 | ||
469 | new_pollfds[session->num_sources] = *pollfd; | |
470 | s = &new_sources[session->num_sources++]; | |
471 | s->timeout = timeout; | |
472 | s->cb = cb; | |
473 | s->cb_data = cb_data; | |
474 | s->poll_object = poll_object; | |
475 | session->pollfds = new_pollfds; | |
476 | session->sources = new_sources; | |
477 | ||
478 | if (timeout != session->source_timeout && timeout > 0 | |
479 | && (session->source_timeout == -1 || timeout < session->source_timeout)) | |
480 | session->source_timeout = timeout; | |
481 | ||
482 | return SR_OK; | |
483 | } | |
484 | ||
485 | /** | |
486 | * Add a event source for a file descriptor. | |
487 | * | |
488 | * @param fd The file descriptor. | |
489 | * @param events Events to check for. | |
490 | * @param timeout Max time to wait before the callback is called, ignored if 0. | |
491 | * @param cb Callback function to add. Must not be NULL. | |
492 | * @param cb_data Data for the callback function. Can be NULL. | |
493 | * | |
494 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
495 | * SR_ERR_MALLOC upon memory allocation errors. | |
496 | */ | |
497 | SR_API int sr_session_source_add(int fd, int events, int timeout, | |
498 | sr_receive_data_callback_t cb, void *cb_data) | |
499 | { | |
500 | GPollFD p; | |
501 | ||
502 | p.fd = fd; | |
503 | p.events = events; | |
504 | ||
505 | return _sr_session_source_add(&p, timeout, cb, cb_data, (gintptr)fd); | |
506 | } | |
507 | ||
508 | /** | |
509 | * Add an event source for a GPollFD. | |
510 | * | |
511 | * TODO: More error checks etc. | |
512 | * | |
513 | * @param pollfd The GPollFD. | |
514 | * @param timeout Max time to wait before the callback is called, ignored if 0. | |
515 | * @param cb Callback function to add. Must not be NULL. | |
516 | * @param cb_data Data for the callback function. Can be NULL. | |
517 | * | |
518 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
519 | * SR_ERR_MALLOC upon memory allocation errors. | |
520 | */ | |
521 | SR_API int sr_session_source_add_pollfd(GPollFD *pollfd, int timeout, | |
522 | sr_receive_data_callback_t cb, void *cb_data) | |
523 | { | |
524 | return _sr_session_source_add(pollfd, timeout, cb, | |
525 | cb_data, (gintptr)pollfd); | |
526 | } | |
527 | ||
528 | /** | |
529 | * Add an event source for a GIOChannel. | |
530 | * | |
531 | * TODO: More error checks etc. | |
532 | * | |
533 | * @param channel The GIOChannel. | |
534 | * @param events Events to poll on. | |
535 | * @param timeout Max time to wait before the callback is called, ignored if 0. | |
536 | * @param cb Callback function to add. Must not be NULL. | |
537 | * @param cb_data Data for the callback function. Can be NULL. | |
538 | * | |
539 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
540 | * SR_ERR_MALLOC upon memory allocation errors. | |
541 | */ | |
542 | SR_API int sr_session_source_add_channel(GIOChannel *channel, int events, | |
543 | int timeout, sr_receive_data_callback_t cb, void *cb_data) | |
544 | { | |
545 | GPollFD p; | |
546 | ||
547 | #ifdef _WIN32 | |
548 | g_io_channel_win32_make_pollfd(channel, | |
549 | events, &p); | |
550 | #else | |
551 | p.fd = g_io_channel_unix_get_fd(channel); | |
552 | p.events = events; | |
553 | #endif | |
554 | ||
555 | return _sr_session_source_add(&p, timeout, cb, cb_data, (gintptr)channel); | |
556 | } | |
557 | ||
558 | ||
559 | static int _sr_session_source_remove(gintptr poll_object) | |
560 | { | |
561 | struct source *new_sources; | |
562 | GPollFD *new_pollfds; | |
563 | unsigned int old; | |
564 | ||
565 | if (!session->sources || !session->num_sources) { | |
566 | sr_err("session: %s: sources was NULL", __func__); | |
567 | return SR_ERR_BUG; | |
568 | } | |
569 | ||
570 | for (old = 0; old < session->num_sources; old++) { | |
571 | if (session->sources[old].poll_object == poll_object) | |
572 | break; | |
573 | } | |
574 | ||
575 | /* fd not found, nothing to do */ | |
576 | if (old == session->num_sources) | |
577 | return SR_OK; | |
578 | ||
579 | session->num_sources -= 1; | |
580 | ||
581 | if (old != session->num_sources) { | |
582 | memmove(&session->pollfds[old], &session->pollfds[old+1], | |
583 | (session->num_sources - old) * sizeof(GPollFD)); | |
584 | memmove(&session->sources[old], &session->sources[old+1], | |
585 | (session->num_sources - old) * sizeof(struct source)); | |
586 | } | |
587 | ||
588 | new_pollfds = g_try_realloc(session->pollfds, sizeof(GPollFD) * session->num_sources); | |
589 | if (!new_pollfds && session->num_sources > 0) { | |
590 | sr_err("session: %s: new_pollfds malloc failed", __func__); | |
591 | return SR_ERR_MALLOC; | |
592 | } | |
593 | ||
594 | new_sources = g_try_realloc(session->sources, sizeof(struct source) * session->num_sources); | |
595 | if (!new_sources && session->num_sources > 0) { | |
596 | sr_err("session: %s: new_sources malloc failed", __func__); | |
597 | return SR_ERR_MALLOC; | |
598 | } | |
599 | ||
600 | session->pollfds = new_pollfds; | |
601 | session->sources = new_sources; | |
602 | ||
603 | return SR_OK; | |
604 | } | |
605 | ||
606 | /* | |
607 | * Remove the source belonging to the specified file descriptor. | |
608 | * | |
609 | * TODO: More error checks. | |
610 | * | |
611 | * @param fd The file descriptor for which the source should be removed. | |
612 | * | |
613 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
614 | * SR_ERR_MALLOC upon memory allocation errors, SR_ERR_BUG upon | |
615 | * internal errors. | |
616 | */ | |
617 | SR_API int sr_session_source_remove(int fd) | |
618 | { | |
619 | return _sr_session_source_remove((gintptr)fd); | |
620 | } | |
621 | ||
622 | /** | |
623 | * Remove the source belonging to the specified poll descriptor. | |
624 | * | |
625 | * TODO: More error checks. | |
626 | * | |
627 | * @param pollfd The poll descriptor for which the source should be removed. | |
628 | * | |
629 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
630 | * SR_ERR_MALLOC upon memory allocation errors, SR_ERR_BUG upon | |
631 | * internal errors. | |
632 | */ | |
633 | SR_API int sr_session_source_remove_pollfd(GPollFD *pollfd) | |
634 | { | |
635 | return _sr_session_source_remove((gintptr)pollfd); | |
636 | } | |
637 | ||
638 | /* | |
639 | * Remove the source belonging to the specified channel. | |
640 | * | |
641 | * TODO: More error checks. | |
642 | * | |
643 | * @param channel The channel for which the source should be removed. | |
644 | * | |
645 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
646 | * SR_ERR_MALLOC upon memory allocation errors, SR_ERR_BUG upon | |
647 | * internal errors. | |
648 | */ | |
649 | SR_API int sr_session_source_remove_channel(GIOChannel *channel) | |
650 | { | |
651 | return _sr_session_source_remove((gintptr)channel); | |
652 | } |